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Finding the Fourth Proportional to 19,029.08, 28,543.08 and 7,344.83

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Solution

The fourth proportional to 19,029.08, 28,543.08 and 7,344.83 is: 11,017.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,029.08 : 28,543.08 = 7,344.83 : x
  2. Step 2: Convert to fraction form
    19,029.08/28,543.08 = 7,344.83/x
  3. Step 3: Cross multiply
    19,029.08x = 28,543.08 × 7,344.83
  4. Step 4: Simplify right side
    19,029.08x = 209,644,070.28
  5. Step 5: Solve for x
    x = 209,644,070.28/19,029.08
  6. Step 6: Final answer
    x = 11,017.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.